61F-GP-N@
Two-Wire Connections
Automatic Water Supply and Drainage Control
Compact, Plug-in Type
61F-GP-N8R
Dimensions:
page 14
Water Supply
Automatic Drainage
Connections
Connections
Commercial Voltage
Commercial Voltage
R S
T
R S T
61F-GP-N8R
61F-GP-N8R
2
1
8
5
7
2
1
8
5
7
MCCB
MCCB
U
U
8 V
8 V
0 V
0 V
Control
circuit
Control
circuit
24 V
24 V
Power
supply
Power
supply
U
U
3
4
6
3
4
6
A
A
(See
note.)
(See note.)
Contac-
tor
Contac-
tor
PS-3SR
R
Motor
Motor
PS-3SR
Waste-
water
tank
R
protection
relay
protection
relay
Stop
Start
Water supply
source
Water
tank
E1
Start
Stop
E2
E1
E3
E2
E3
M
P
M
P
Reservoir
Note: Be sure to ground the common Electrode E3 (the
longest Electrode).
Note: Be sure to ground the common Electrode E3 (the
longest Electrode).
• Connect terminal 2 to the contactor’s coil terminal.
• Connect terminal 3 to the contactor’s coil terminal.
Note: The power supply depends on the specifications of the
Note: The power supply depends on the specifications of the
model.
model.
• With 2-wire connections, only two wires are required between
the 61F-GP-N8R and Electrode Holder, but three wires are
required for the Electrodes.
• With 2-wire connections, only two wires are required between
the 61F-GP-N8R and Electrode Holder, but three wires are
required for the Electrodes.
• The Electrode Holder must be specified for 2-wire connections.
(Resistance R is built into Electrode Holders for 2-Wire
Connections.)
• The Electrode Holder must be specified for 2-wire connections.
(Resistance R is built into Electrode Holders for 2-Wire
Connections.)
Principles of Operation
Principles of Operation
Water
supply
P
(Indicator ON)
Pump ON
(Indicator ON)
E
1
Pump OFF
Pump ON
E1
Pump OFF
(Indicator OFF)
P
(Indicator OFF)
E
2
E2
E
3
E3
Water drainage
The pump stops when the water level reaches E1 (indicator ON)
and starts when the water level drops below E2 (indicator OFF).
The pump starts when the water level reaches E1 (indicator ON)
and stops when the water level drops below E2 (indicator OFF).
12
OMRON [ OMRON ELECTRONICS LLC ]
